title: Calcium, phosphorus, and nitrogen of nursery school lunches.
mesh_terms: D002118:Calcium; D006801:Humans; D009584:Nitrogen; D009747:Nutritional Physiological Phenomena; D052756:Nutritional Sciences; D010758:Phosphorus; D012578:Schools, Nursery
chemical_list: D010758:Phosphorus; D009584:Nitrogen; D002118:Calcium
keywords: NUTRITION